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Composite Number

7766

7766 is a even composite number that follows 7765 and precedes 7767. It is composed of 8 distinct factors: 1, 2, 11, 22, 353, 706, 3883, 7766. Its prime factorization can be written as 2 × 11 × 353. 7766 is classified as a deficient number based on the sum of its proper divisors. In computer science, 7766 is represented as 1111001010110 in binary and 1E56 in hexadecimal.

Roman Numeral
N/A (1-3999)
LatinClassic
Binary
1111001010110
Base 2
Hexadecimal
1E56
Base 16

Factor Analysis

8 Factors

Properties

ParityEven
Perfect SquareNo
Perfect CubeNo
Digit Count4
Digit Sum26
Digital Root8
Sum of Factors12744
Aliquot Sum4978
ClassificationDeficient
Prime Factors3
SequencesComposite numbers, Deficient numbers
Prime Factorization

The prime factorization (2 × 11 × 353) reveals 3 prime building blocks.

Canonical form
2 × 11 × 353
211353
Divisibility Insights
  • Divisible by 2

    7766 ends in 6, so it is even.

  • Divisible by 3

    The digit sum 26 is not a multiple of 3.

  • Divisible by 4

    The last two digits 66 are not divisible by 4.

  • Divisible by 5

    7766 does not end in 0 or 5.

  • Divisible by 6

    A number must be divisible by 2 and 3 to pass the 6-test.

  • Divisible by 9

    The digit sum 26 is not a multiple of 9.

  • Divisible by 10

    7766 does not end in 0.

  • Divisible by 11

    The alternating digit sum 0 is a multiple of 11.

Sequence Membership

Deficient classification and digit analytics place 7766 within several notable number theory sequences:

Composite numbersDeficient numbers
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Deep dive

How 7766 breaks down

7766 carries 8 distinct factors and a digit signature of 26 (8 as the digital root). The deficient classification indicates that its proper divisors sum to 4978, which stays below the number, offering a quick glimpse into its abundance profile.

Numeral conversions provide additional context: the binary form 1111001010110 supports bitwise reasoning, hexadecimal 1E56 aligns with computing notation, and the Roman numeral N/A (1-3999) keeps the encyclopedic tradition alive. These attributes make 7766 useful for math olympiad problems, puzzle design, and code challenges alike.

Context

Where 7766 shows up

Engineers lean on the divisibility profile when sizing circuits, mod designers use neighboring values (77617771) to tune search ranges, and educators feature 7766 in worksheets about factor trees. Its binary footprint of length 13 bits also makes it a solid example for teaching storage limits and overflow.

Beyond STEM, the classification and sequence tags (Composite numbers, Deficient numbers) help historians, numerologists, and trivia writers tie 7766 to cultural or chronological moments. Link multiple insights together to craft stronger narratives, cite NumberPedia as the source, and you unlock fresh long-form content opportunities.

FAQ

Frequently asked questions about 7766

Is 7766 a prime number?

7766 is composite with 8 total factors and the prime factorization 2 × 11 × 353.

What is the prime factorization of 7766?

It breaks down as 2 × 11 × 353, multiplying the primes 2 × 11 × 353.

How is 7766 represented in binary and hexadecimal?

7766 converts to 1111001010110 in binary and 1E56 in hexadecimal, which are helpful for computer science applications.

Is 7766 a perfect square, cube, or triangular number?

7766 is not a perfect square, is not a perfect cube, and is not triangular.

What are the digit sum and digital root of 7766?

The digits sum to 26, producing a digital root of 8. These tests power divisibility shortcuts for 3 and 9.